Three days from a crucial meeting, OPEC’s deal to curb oil production and end years of global oversupply hangs in the balance . But even if ministers hash out a meaningful accord on Wednesday, there are dangers for the oil-exporter club. For two years, OPEC tried to bury a growing army of upstart producers by flooding the markets with crude. Reversing course might hand a lifeline to the battered survivors like Premier Oil Plc who are rushing to reap the rewards. The London-listed company, whose 60,000 barrels a day of output amounts to a rounding error for OPEC, expects to use hedges to lock in 2017 prices of at least $50 a barrel, a level Brent has only touched briefly this year. That means Premier Oil has adapted well enough to the assault to at least break even at half the price it received on the futures market in […]